Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:KCr(SO4).12H2O -- e-Tools Age

	Calculate molar mass
	Enter a chemical formula in the field below, pay attention to formula is case sensitive!!!	The formula should be entered as: H₂SO₄= H2SO4 CuSO₄.5H2O=CuSO4.5H2O 3BeO.Al2O₃.6SiO₂= (BeO)3.Al2O3.6SiO2

Calculations:
Formula: KCr(SO4).12H2O
Molar Mass: 403.3276 g/mol        1g=2.47937408697049E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  1                  39.098                        9.69%
Cr                1                  51.996                        12.89%
S                  1                  32.06                         7.95%
O                  16                15.999                        63.47%
H                  24                1.0079                        6%

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